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基于802.11无线网络的标准虽然有7～8种之多,但到目前为止,真正获得正式承认的却只有802.11a.802.11b 和802.11g 三种。后采用何种无线标准虽然众说纷纭,但就发展来看.双频
Although there are 7 ~ 8 kinds of standards based on 802.11 wireless network, so far only 3 802.11a.802.11b and 802.11g really get the formal recognition. After the adoption of what kind of wireless standards, although divergent opinions, but on the development point of view